The middle temporal gyrus runs along the lateral temporal lobe between the superior and inferior temporal sulci. Its posterior end, near the junction with the occipital lobe, contains the motion-sensitive visual area (MT or V5). Elsewhere it contributes to word meaning and semantic memory.
| Location | Temporal lobe lateral surface, between the superior and inferior temporal sulci |
|---|---|
| Parts |
|
| Connections |
|
| Blood Supply | Middle cerebral artery (temporal branches) |
Processes visual motion at its posterior end and supports the meaning of words and concepts.
Damage to the posterior middle temporal region on both sides can cause akinetopsia, a rare loss of motion perception. Dominant middle temporal lesions can cause problems retrieving word meanings. It is a common site of resection in temporal lobe epilepsy surgery.
Rare inability to perceive motion, seeing moving objects as a series of still images, after bilateral damage to area V5.
Difficulty finding words, which can follow dominant middle temporal damage.
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